CN203449959U - Air circulation temperature management system used for battery tank of electric automobile - Google Patents

Air circulation temperature management system used for battery tank of electric automobile Download PDF

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Publication number
CN203449959U
CN203449959U CN201320308995.9U CN201320308995U CN203449959U CN 203449959 U CN203449959 U CN 203449959U CN 201320308995 U CN201320308995 U CN 201320308995U CN 203449959 U CN203449959 U CN 203449959U
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CN
China
Prior art keywords
circulation
battery box
air
heat exchanger
battery tank
Prior art date
Application number
CN201320308995.9U
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Chinese (zh)
Inventor
虞锋
余楚礼
郭艳萍
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天津清源电动车辆有限责任公司
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Priority to CN201320308995.9U priority Critical patent/CN203449959U/en
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Publication of CN203449959U publication Critical patent/CN203449959U/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

Abstract

The utility model discloses an air circulation temperature management system used for a battery tank of an electric automobile. The air circulation temperature management system includes an air circulation device, a refrigerating agent circulation device and a refrigerating liquid circulation device. The air circulation device includes an air blower, a battery tank radiator, the battery tank and a circulation air channel. The refrigerating agent circulation system includes an electric air condition compressor, a condenser, a pressure switch, an electromagnetic switch, an expansion valve, a heat exchange and a connection pipeline. The air blower, a battery tank temperature sensor and all valves arranged in the pipeline are all connected with a vehicle control unit. By using the air circulation temperature management system used for the battery tank of the electric automobile provided by the utility model, normal working of a lithium battery can be guaranteed. Air flows produced by the air blower blow over the battery tank radiator under the control of the vehicle control unit and mainly based on temperature signals output by the battery tank sensor and energy of refrigerating liquid cooled and heated through the refrigerating agent circulation system and the refrigerating liquid circulation system is blown into the battery tank, so that temperature in the battery tank can be kept in a reasonable range.

Description

Electric automobile battery box wind circulation temperature management system
Technical field
The utility model relates to electric automobile battery box domain of control temperature, relates in particular to a kind of electric automobile battery box wind circulation temperature management system.
Background technology
Along with greatly developing and constantly progress of electronlmobil, lithium cell is more and more adopted by electronlmobil, because the operating temperature of lithium cell has stricter area requirement, exceed certain scope, lithium cell is by the infringement being subject to a certain extent, so the temperature treatment of electric automobile battery box has very important meaning.
At present, lithium cell battery case temperature control mode is mainly divided into liquid and the large heat management mode of air two.Wherein, heat of liquid way to manage is constantly liquid cooling after air-conditioning or temperature booster or heating to be pumped into battery box with water pump, make battery cooling or heat up, the liquid flowing out from battery box returns water pump, utilize the continuous circulation of liquid, assurance battery is reasonably being worked in range of temperatures, heat of liquid way to manage can make heat reuse in the loop of relative closure, improve the cooling or efficiency of heating surface, save energy, if but the circulation pipeline of liquid in battery box leaks, liquid flows in battery box, will damage battery even accidents caused, so heat of liquid way to manage has certain risk.Air hot pipe reason mode is, with blowing engine 11, the air through over cooling or heating is blown into battery box, make battery cooling or heat up, assurance battery is reasonably being worked in range of temperatures, although air hot pipe reason mode does not exist fluid leakage problems, its safety is good, and current battery case air hot pipe reason system all adopts open circuit, atmosphere is all led in the import and export that are air, therefore, energy cooling and heating has partial loss, and airborne moisture and dust also enter battery box battery is worked the mischief.
Utility model content
For above-mentioned prior art, the utility model provides a kind of electric automobile battery box wind circulation temperature management system.It is simple in structure, is easy to realize, and can make the temperature in battery box remain in rational range of temperatures, to guarantee that lithium cell can work.
In order to solve the problems of the technologies described above, the technical scheme that the utility model electric automobile battery box wind circulation temperature management system is achieved is,
This system comprises entire car controller, battery box, battery box radiator and battery box temperature sensor, heat exchanger, refrigerant cycle apparatus and coolant circulation unit; Described heat exchanger comprises heat transferring medium runner A and heat transferring medium runner B; Described refrigerant-cycle systems comprises by the first circulation line and electric air-conditioning compressor and condenser that the heat transferring medium runner A of heat exchanger is connected, from described condenser, to the pipeline section between heat exchanger, is provided with successively pressure switch, electromagnetic switch and expansion valve; Described coolant circulation unit comprises electric water pump and the water storage bottle being connected with the heat transferring medium runner B of heat exchanger by the second circulation line, described battery box radiator is arranged on the pipeline section between water storage bottle and heat exchanger, be parallel with an electric heater with described heat exchanger, the two ends of described electric heater are connected with the bypass between battery box radiator with the second circulation line with at electric water pump by a threeway and a triple valve respectively; Also comprise a blowing engine, the air outlet of described blowing engine is towards described battery box radiator, is back to blowing engine is successively provided with a circulation air path from described blowing engine through battery box radiator and battery box; Described battery box temperature sensor is all connected with described entire car controller with all valve bodies that are arranged in pipeline.
The utility model can be blown into battery box with the air-flow that blowing engine produces by the air through over cooling or heating according to battery temperature, and cooling or heating battery, remains in rational range of temperatures battery temperature; The air of battery of flowing through is got back to fan inlet by pipeline, reduces to greatest extent degradation of energy.When battery temperature is during higher than battery normal working temperature, the low-temperature refrigerant producing through refrigerant-cycle systems (comprising electric air-conditioning compressor, condenser, evaporator, pressure switch, electromagnetic switch, expansion valve and connecting line) in heat exchanger makes refrigerant fluid cooling, cryogenic liquid flows through battery box radiator, blowing engine is blown over battery box radiator by air, produce cold wind and be blown into battery box, make battery cooling.When battery temperature is during lower than battery normal working temperature, refrigerant fluid through coolant circulation system (comprising electric water pump, water storage bottle, electric heater, threeway and electromagnetic valve etc.) heating flows through battery box radiator, blowing engine is blown over battery box radiator by air, produce hot blast and be blown into battery box, battery is heated up.
Compared with prior art, the beneficial effects of the utility model are:
The utility model can be guaranteed the normal operation of lithium cell, it is mainly the temperature signal spreading out of according to battery box sensor, under the control of entire car controller, the air-flow that utilizes blowing engine to produce, blow over battery box radiator, energy through refrigerant-cycle systems and the cooling refrigerant fluid with heating of coolant circulation system is blown into battery box, the temperature in battery box is remained in rational range of temperatures.The utility model can carry out recycle to air cooling or heating before guaranteeing lithium cell normal operation under topic, improves heat management efficiency, reduces energy consumption, saves the energy, safe and reliable.
Accompanying drawing explanation
Accompanying drawing is the utility model electric automobile battery box wind circulation temperature management system structural representation;
In figure:
1-electric air-conditioning compressor 2-condenser 3-pressure switch 4-electromagnetic switch
5-expansion valve 6-plate type heat exchanger circulation 7-electric water pump 8-electric heater
9-water storage bottle 10-battery box radiator 11-blowing engine 12-air channel
13-battery box 14-three-way magnetic valve 15-threeway
The specific embodiment
Below in conjunction with the specific embodiment, the utility model is described in further detail.
As shown in drawings, a kind of electric automobile battery box wind circulation of the utility model temperature management system, comprises air circulation device (comprising blowing engine 11, battery box radiator 10, battery box 13 and circulation air path 12), refrigerant cycle apparatus (comprising electric air-conditioning compressor 1, condenser 2, pressure switch 3, electromagnetic switch 4, expansion valve 5 and heat exchanger 6) and coolant circulation unit (electric water pump 7, threeway 15, electromagnetic valve 14, electric heater 8, water storage bottle 9).
Described heat exchanger 6 is plate type heat exchanger, described heat exchanger comprises heat transferring medium runner A and heat transferring medium runner B, described refrigerant-cycle systems comprises electric air-conditioning compressor 1 and the condenser 2 being connected with the heat transferring medium runner A of heat exchanger 6 by the first circulation line, from described condenser 6, to the pipeline section between heat exchanger 6, is provided with successively pressure switch 3, electromagnetic switch 4 and expansion valve 5; Described condenser 2 is other is also provided with a fan, and the exhaust outlet of described fan is towards condenser 2.
Described coolant circulation unit comprises electric water pump 7 and the water storage bottle 9 being connected with the heat transferring medium runner B of heat exchanger 6 by the second circulation line, described battery box radiator 10 is arranged on the pipeline section between water storage bottle 9 and heat exchanger, be parallel with an electric heater 8 with described heat exchanger 6, the two ends of described electric heater 8 are connected with the bypass between battery box radiator 10 with the second circulation line with at electric water pump 7 by a threeway and a triple valve 14 respectively; Also comprise a blowing engine 11, the air outlet of described blowing engine 11 is towards described battery box radiator 10, is back to blowing engine 11 is successively provided with a circulation air path 12 from described blowing engine 11 through battery box radiator 10 and battery box 13.
When battery temperature is during higher than lithium cell normal working temperature (40 ℃), blowing engine 11, refrigerant-cycle systems (electric air-conditioning compressor 1, condenser 2, pressure switch 3, electromagnetic switch 4, expansion valve 5 and heat exchanger 6) and coolant circulation system (electric water pump 7, threeway 15, three-way magnetic valve 14, electric heater 8, water storage bottle 9) are started working simultaneously; Electric air-conditioning compressor 1 compressed refrigerant, the condenser 2 of flowing through, pressure switch 3, electromagnetic switch 4, expansion valve 5 enter heat exchanger 6; Electric water pump is pressed into heat exchanger 6 by refrigerant fluid through three-way magnetic valve 14, refrigerant fluid in heat exchanger 6 cooled dose cooling after through entering battery box radiator 10; Air that blowing engine 11 air outlets blow out is through battery box radiator 10, and temperature reduces, and is blown into battery box 13, battery is carried out cooling, then gets back to blowing engine 11 ventilation inlets through circulation air path 12, completing cooling circulation.When lithium cell temperature reaches normal working temperature (40 ℃), cooling stops.
When battery temperature is during lower than lithium cell normal working temperature (20 ℃), blowing engine 11 and coolant circulation system (electric water pump 7, three-way magnetic valve 14, electric heater 8, threeway 15, water storage bottle 9) are started working simultaneously; Electric water pump is pressed into electric heater by refrigerant fluid through three-way magnetic valve 14, refrigerant fluid is after electric heater heating, flow into battery box radiator 10, the air that blowing engine 11 air outlets blow out raises through battery box radiator 10 temperature, is blown into battery box 13, thus the air-flow that utilizes blowing engine 11 to produce, blow over battery box radiator 10, battery is heated, then get back to blowing engine 11 ventilation inlets through circulation air path 12, complete ramp cycle.When lithium cell is during higher than normal working temperature (20 ℃), intensification stops.
Although the utility model is described in conjunction with figure above; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; in the situation that not departing from the utility model aim, can also make a lot of distortion, within these all belong to protection of the present utility model.

Claims (2)

1. an electric automobile battery box wind circulation temperature management system, comprises entire car controller, refrigerant cycle apparatus and coolant circulation unit, battery box radiator (10) and battery box temperature sensor, it is characterized in that, also comprises heat exchanger (6);
Described heat exchanger comprises heat transferring medium runner A and heat transferring medium runner B;
Described refrigerant-cycle systems comprises electric air-conditioning compressor (1) and the condenser (2) being connected with the heat transferring medium runner A of heat exchanger (6) by the first circulation line, from described condenser (6), to the pipeline section between heat exchanger (6), is provided with successively pressure switch (3), electromagnetic switch (4) and expansion valve (5);
Described coolant circulation unit comprises electric water pump (7) and the water storage bottle (9) being connected with the heat transferring medium runner B of heat exchanger (6) by the second circulation line, described battery box radiator (10) is arranged on the pipeline section between water storage bottle (9) and heat exchanger, be parallel with an electric heater (8) with described heat exchanger (6), the two ends of described electric heater (8) respectively by a threeway and a triple valve (14) with the second circulation line be positioned at electric water pump (7) and be connected with the bypass between battery box radiator (10); Also comprise a blowing engine (11), the air outlet of described blowing engine (11) is towards described battery box radiator (10), is back to blowing engine (11) is successively provided with a circulation air path (12) from described blowing engine (11) through battery box radiator (10) and battery box (13);
Described battery box temperature sensor is all connected with described entire car controller with all valve bodies that are arranged in pipeline.
2. electric automobile battery box wind circulation temperature management system according to claim 1, is characterized in that, also comprise a fan, the exhaust outlet of described fan is towards condenser (2).
CN201320308995.9U 2013-05-30 2013-05-30 Air circulation temperature management system used for battery tank of electric automobile CN203449959U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103253149A (en) * 2013-05-30 2013-08-21 天津清源电动车辆有限责任公司 Air circulation battery box temperature management system of electric automobile
CN104044444A (en) * 2014-06-09 2014-09-17 江苏大学 Electric automobile vehicle integration thermal management system and work method
CN104070960A (en) * 2014-06-25 2014-10-01 奇瑞汽车股份有限公司 Hybrid power car air conditioning system and control method thereof
CN106183789A (en) * 2016-07-06 2016-12-07 中国第汽车股份有限公司 A kind of whole electric vehicle heat management system and control method thereof
TWI618643B (en) * 2014-10-06 2018-03-21 China Motor Corp Electric vehicle battery temperature management system
CN108184318A (en) * 2017-12-27 2018-06-19 常州校果信息服务有限公司 A kind of electricity is driven cooling system
CN108199114A (en) * 2017-11-30 2018-06-22 全球能源互联网欧洲研究院 A kind of battery thermal management system and its control method, vehicle air conditioner
RU180937U1 (en) * 2017-09-18 2018-06-29 Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования Военный Учебно-Научный Центр Сухопутных Войск "Общевойсковая Академия Вооруженных Сил Российской Федерации" Device for thermal preparation of the cabin of automotive vehicles at low temperatures

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103253149A (en) * 2013-05-30 2013-08-21 天津清源电动车辆有限责任公司 Air circulation battery box temperature management system of electric automobile
CN104044444A (en) * 2014-06-09 2014-09-17 江苏大学 Electric automobile vehicle integration thermal management system and work method
CN104044444B (en) * 2014-06-09 2016-08-31 江苏大学 Electric automobile whole integrated heat pipe reason system and method for work
CN104070960A (en) * 2014-06-25 2014-10-01 奇瑞汽车股份有限公司 Hybrid power car air conditioning system and control method thereof
CN104070960B (en) * 2014-06-25 2016-06-01 奇瑞汽车股份有限公司 A kind of hybrid power automobile air conditioner system and control method thereof
TWI618643B (en) * 2014-10-06 2018-03-21 China Motor Corp Electric vehicle battery temperature management system
CN106183789A (en) * 2016-07-06 2016-12-07 中国第汽车股份有限公司 A kind of whole electric vehicle heat management system and control method thereof
CN106183789B (en) * 2016-07-06 2018-11-13 中国第一汽车股份有限公司 A kind of whole electric vehicle heat management system and its control method
RU180937U1 (en) * 2017-09-18 2018-06-29 Федеральное Государственное Казенное Военное Образовательное Учреждение Высшего Образования Военный Учебно-Научный Центр Сухопутных Войск "Общевойсковая Академия Вооруженных Сил Российской Федерации" Device for thermal preparation of the cabin of automotive vehicles at low temperatures
CN108199114A (en) * 2017-11-30 2018-06-22 全球能源互联网欧洲研究院 A kind of battery thermal management system and its control method, vehicle air conditioner
CN108199114B (en) * 2017-11-30 2021-02-09 全球能源互联网欧洲研究院 Battery thermal management system, control method thereof and vehicle air conditioning system
CN108184318A (en) * 2017-12-27 2018-06-19 常州校果信息服务有限公司 A kind of electricity is driven cooling system

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